Top 100 Scientists

World Top 100 Scientists 2024

The ranking of “Top 100” scientists is based on total h-index scores. Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, EECA, BRICS, and COMESA based on total h-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, and Social Sciences. According to Total H. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (829,221 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects. 

* Rankings
World Rank
21,651
Country Rank
22
Institution Rank : 1
Egypt
Sabry Shaheen
Geochemistry of Trace Elements
Soil and water pollution by toxic metals
Remediation of toxic metals contaminated soils and waters
Metrics
H-Index
i10 Index
Citation
77
212
19,957
* Rankings
World Rank
24,647
Country Rank
25
Institution Rank : 2
Egypt
Mahmoud Dawood
Aquaculture and Fisheries
Animal Science
Environmental Science
WEF Nexus
Sustainability
Metrics
H-Index
i10 Index
Citation
74
254
17,417
* Rankings
World Rank
31,006
Country Rank
31
Institution Rank : 3
Egypt
Ashraf M Zenkour
Applied Mathematics
Continuum Mechanics
Theory of Elasticity
Metrics
H-Index
i10 Index
Citation
69
333
18,210
* Rankings
World Rank
40,592
Country Rank
43
Institution Rank : 4
Egypt
Fadl A Essa
Desalination
Water-Energy Nexus
Solar Energy Applications
Nanomaterials' Applications
Metrics
H-Index
i10 Index
Citation
63
136
11,176
* Rankings
World Rank
49,200
Country Rank
52
Institution Rank : 5
Egypt
Zakaria Omara
Desalination - Renewable energy systems
Metrics
H-Index
i10 Index
Citation
59
99
9,963
* Rankings
World Rank
54,196
Country Rank
65
Institution Rank : 6
Egypt
Swellam W Sharshir
Desalination
Evaporation
Nanofluid Applications
Heat Transfer
Solar Energy Applications
Metrics
H-Index
i10 Index
Citation
57
127
10,897
* Rankings
World Rank
57,232
Country Rank
74
Institution Rank : 7
Egypt
MM Ali
Physiology
flowering
growth
Metrics
H-Index
i10 Index
Citation
56
211
36,100
* Rankings
World Rank
69,567
Country Rank
93
Institution Rank : 8
Egypt
Ragab A El Sehiemy
Artificial Intelligence
Microgrids
Hybrid Power systems
Renewable Energy Sources
Metrics
H-Index
i10 Index
Citation
52
176
8,626
* Rankings
World Rank
85,626
Country Rank
127
Institution Rank : 9
Egypt
Wagdy M Eldehna
Pharmaceutical Chemistry
Metrics
H-Index
i10 Index
Citation
48
149
6,004
* Rankings
World Rank
123,919
Country Rank
246
Institution Rank : 10
Egypt
Hassan El Ramady
Nano selenium
Nano nutrients
nanofibers
Plant nutrition
Metrics
H-Index
i10 Index
Citation
41
130
6,473
* Rankings
World Rank
130,838
Country Rank
262
Institution Rank : 11
Egypt
Maged El Kemary
Nanochemistry - Photochemistry- Sensors - Wearable devices
Metrics
H-Index
i10 Index
Citation
40
109
6,126
* Rankings
World Rank
155,705
Country Rank
329
Institution Rank : 12
Egypt
Ahmed A Tayel
Food biotechnology
Food Safety
Natural Products
Metrics
H-Index
i10 Index
Citation
37
66
3,988
* Rankings
World Rank
163,571
Country Rank
347
Institution Rank : 13
Egypt
Mustafa Shukry
physiology
Metrics
H-Index
i10 Index
Citation
36
109
4,016
* Rankings
World Rank
164,052
Country Rank
351
Institution Rank : 14
Egypt
Khaled AA Abdelaal
Natural Sciences
Agricultural Botany
Plant physiology
plant Anatomy
Biotic and Abiotic stress
Metrics
H-Index
i10 Index
Citation
36
74
4,060
* Rankings
World Rank
173,387
Country Rank
384
Institution Rank : 15
Egypt
Kamel Rizq Shoueir
Photocatalysis
Nanofibers
Green chemistry
Water treatment
Metrics
H-Index
i10 Index
Citation
35
54
2,959
* Rankings
World Rank
194,842
Country Rank
465
Institution Rank : 16
Egypt
Ahmed Ali Saleh
Agriculture
Animal science
Poultry production
Nutrition
biotechnology
Metrics
H-Index
i10 Index
Citation
33
89
3,234
* Rankings
World Rank
195,169
Country Rank
469
Institution Rank : 17
Egypt
Ebrahem M Eid
Plant Population Ecology
Wetland Ecology
Ecological Modeling
Carbon Sequestration
Phytoremediation
Metrics
H-Index
i10 Index
Citation
33
102
4,043
* Rankings
World Rank
195,317
Country Rank
472
Institution Rank : 18
Egypt
Mohammed Sobhy
Applied Mathematics
Solid Mechanics
Nanostructures
Metrics
H-Index
i10 Index
Citation
33
64
3,558
* Rankings
World Rank
195,946
Country Rank
475
Institution Rank : 19
Egypt
Tarek Amin Ebeid
Animal and poultry physiology
Metrics
H-Index
i10 Index
Citation
33
57
3,146
* Rankings
World Rank
214,013
Country Rank
549
Institution Rank : 20
Egypt
Abdelhamid El Shaer
semiconductors
photovoltaic
optoelectronics
2D-Materials
nanotechnology
Metrics
H-Index
i10 Index
Citation
32
66
3,198
* Rankings
World Rank
220,126
Country Rank
573
Institution Rank : 21
Egypt
Mohammed Abu El Magd El Ghannam
Anatomy
Molecular Biology
Biotechnology
Developmental Biology
Metrics
H-Index
i10 Index
Citation
31
80
3,033
* Rankings
World Rank
220,809
Country Rank
578
Institution Rank : 22
Egypt
Yaser M Hafez
Plant Pathology
Reactive oxygen species
antioxidants
Metrics
H-Index
i10 Index
Citation
31
71
3,774
* Rankings
World Rank
224,744
Country Rank
599
Institution Rank : 23
Egypt
Ashraf M Ahmed
Molecular Bacteriology
Metrics
H-Index
i10 Index
Citation
31
66
3,563
* Rankings
World Rank
226,220
Country Rank
606
Institution Rank : 24
Egypt
Said Amer
Parasitology
Immunology
Epidemiology
Virology
Bacteriology
Metrics
H-Index
i10 Index
Citation
31
53
2,804
* Rankings
World Rank
234,935
Country Rank
653
Institution Rank : 25
Egypt
Tarek Alshaal
Plant nutrition
soil microbiology
soil ecology
environmental pollution
Metrics
H-Index
i10 Index
Citation
30
58
3,102
* Rankings
World Rank
250,812
Country Rank
727
Institution Rank : 26
Egypt
Ibrahim Elmehasseb
Inorganic chemistry
Nanochemistry
Water treatment
Metrics
H-Index
i10 Index
Citation
29
61
3,556
* Rankings
World Rank
252,554
Country Rank
739
Institution Rank : 27
Egypt
Hosny El Adawy
Veterinary Medicine
Metrics
H-Index
i10 Index
Citation
29
46
2,038
* Rankings
World Rank
270,217
Country Rank
809
Institution Rank : 28
Egypt
Maged Gomaa Hemida
Virology
Metrics
H-Index
i10 Index
Citation
28
47
3,215
* Rankings
World Rank
281,202
Country Rank
860
Institution Rank : 29
Egypt
Marwa Elbyaly
Home Economics
Metrics
H-Index
i10 Index
Citation
27
29
1,102
* Rankings
World Rank
285,711
Country Rank
891
Institution Rank : 30
Egypt
Aly Derbalah
pesticides chemistry and toxicology
Metrics
H-Index
i10 Index
Citation
27
65
2,423
* Rankings
World Rank
298,720
Country Rank
959
Institution Rank : 31
Egypt
Walied Abdo
Toxicology
oncology and Pathology
Metrics
H-Index
i10 Index
Citation
26
58
1,954
* Rankings
World Rank
308,774
Country Rank
1,024
Institution Rank : 32
Egypt
Magda M Aly
Bacteria
fungi
antibiotics
enzymes
biodegradation
Metrics
H-Index
i10 Index
Citation
26
54
2,101
* Rankings
World Rank
318,306
Country Rank
1,075
Institution Rank : 33
Egypt
Mohamed Younes
Desalination
Solar Still
Adsorption Cooling
Metrics
H-Index
i10 Index
Citation
25
30
2,739
* Rankings
World Rank
318,461
Country Rank
1,078
Institution Rank : 34
Egypt
Mohsen Elsharkawy
Plant virology
Plant Pathology
Induced Systemic Resistance
Plant Growth Promoting Microorganisms
Metrics
H-Index
i10 Index
Citation
25
59
2,194
* Rankings
World Rank
319,006
Country Rank
1,084
Institution Rank : 35
Egypt
Emad Maher Hafez
Agronomy
Metrics
H-Index
i10 Index
Citation
25
41
1,781
* Rankings
World Rank
319,805
Country Rank
1,089
Institution Rank : 36
Egypt
Mahmoud Kandeel
Biomolecular Science
Metrics
H-Index
i10 Index
Citation
25
70
2,866
* Rankings
World Rank
349,099
Country Rank
1,249
Institution Rank : 37
Egypt
Hamdy K Al Moniar
Soft Computing
Image Processing
Solar Energy
Metrics
H-Index
i10 Index
Citation
24
41
3,947
* Rankings
World Rank
352,973
Country Rank
1,262
Institution Rank : 38
Egypt
Ahmed Khodair
Organic Chemistry
Natural Products
Heterocycles
Carbohydrates
Nucleosides and Stereosective Synthesis [Synthesis of Novel Ag
Metrics
H-Index
i10 Index
Citation
24
51
1,896
* Rankings
World Rank
361,861
Country Rank
1,305
Institution Rank : 39
Egypt
Mahmoud Y. Shams
Computer Science
Pattern Recognition
Computer Vision
Artificial Intelligence
Biomedical
Metrics
H-Index
i10 Index
Citation
23
39
1,373
* Rankings
World Rank
367,019
Country Rank
1,348
Institution Rank : 40
Egypt
Wael El Tras
Metrics
H-Index
i10 Index
Citation
23
29
2,143
* Rankings
World Rank
368,111
Country Rank
1,356
Institution Rank : 41
Egypt
Hamdy S El Sheshtawy
Supramolecular Chemistry
Photochemistry
Nanomaterials
Metrics
H-Index
i10 Index
Citation
23
41
1,546
* Rankings
World Rank
374,103
Country Rank
1,401
Institution Rank : 42
Egypt
Yahya Eid
Animal science – Biochemistry – Nutritional biochemistry – Physiology - Biotechnology
Metrics
H-Index
i10 Index
Citation
23
35
1,497
* Rankings
World Rank
386,230
Country Rank
1,463
Institution Rank : 43
Egypt
Mohamed Nabil Fathy Ibrahim|Mohamed Ibrahim, M. N. Ibrahim, Mohamed Nabil Ibrahim
Electrical Machines
Electrical Drives
additive manufacturing
Renewable Energy
Metrics
H-Index
i10 Index
Citation
22
53
1,696
* Rankings
World Rank
386,254
Country Rank
1,464
Institution Rank : 44
Egypt
Tarek Tawfik Yousef Alkhateeb
Economics
Metrics
H-Index
i10 Index
Citation
22
49
1,814
* Rankings
World Rank
388,470
Country Rank
1,488
Institution Rank : 45
Egypt
Yousry Bayoumi
Vegetable Crops Production
Metrics
H-Index
i10 Index
Citation
22
38
1,677
* Rankings
World Rank
402,509
Country Rank
1,587
Institution Rank : 46
Egypt
Yassin Al Sodany
Plant Ecology
Biodiversity
population ecology
Modelling
vegetation analysis
Metrics
H-Index
i10 Index
Citation
22
44
1,484
* Rankings
World Rank
402,738
Country Rank
1,591
Institution Rank : 47
Egypt
Abd El Motaleb Ramadan
Inorganic Biochemistry
Metrics
H-Index
i10 Index
Citation
22
40
1,956
* Rankings
World Rank
402,983
Country Rank
1,593
Institution Rank : 48
Egypt
Taher Sharshar
Nuclear Physics
Radioenvironmental Studies
Positron annihilation spectroscopy
Metrics
H-Index
i10 Index
Citation
22
38
1,493
* Rankings
World Rank
404,244
Country Rank
1,608
Institution Rank : 49
Egypt
Mofreh H Hamed
CFD
Nanofluids
Two-phase Flow
Turbomachinery
Desalination
Metrics
H-Index
i10 Index
Citation
22
27
2,219
* Rankings
World Rank
414,605
Country Rank
1,666
Institution Rank : 50
Egypt
Farahat Moghanm
Remote Science
GIS
Soil Science
Metrics
H-Index
i10 Index
Citation
21
25
1,434
* Rankings
World Rank
415,511
Country Rank
1,673
Institution Rank : 51
Egypt
Mohamed Abdrabou Hussein